<https://urbanxeriscape.com/product/lg-euphorbia-trigona-red-cathedral-cactus-euphorbiaceae/#product>
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"Trigona Red Cathedral one of the most colorful cultivars of Trigona with a mottled pattern in shades of green, red, purple and maroon   Thorns sprout in pairs on the stem’s margins with teardrop shaped red toned leaves. Given time you can expect your new plant to reach eight to ten feet in height. A single 7 foot plant can weigh well over one hundred pounds. Perfect for container growing on a balcony or patio. These unique plants are easy and fun to grow simply water when dry."
<https://urbanxeriscape.com/product/lg-euphorbia-trigona-red-cathedral-cactus-euphorbiaceae/>